Welcome to the Winobloggers webpage! Students and professors from different universities meet to discuss their findings on Winogradsky columns they constructed!
We learn how to formulate hypotheses, observe, comment, ask and reply to questions related to our scientific experiments.

Blog posts

Wednesday, 16 November 2016

Tampakidou Maria-Ioanna Mpelonias Fivos University of Ioannina

The winograsky
column-1 continues its microbe development proportionately. This time, the
gas production was remarkable. Both methane and hydrogen sulfide were released
when the column was opened. So we made an experiment during the opening process.
We light fire near the cap of the bottle and a flame development was observed.
Therefore, methanogenes might have been increasingexponentiallythis week. So do the sulfur microorganisms. Because of that, we could
infer that the conditions became totally anoxic along the column. Every kind of
aerobic microorganism might have died. Moreover, the mud inside the column
became darker. This could show us that microbes are still increasing. In
addition, there might be a small develop in the upper layers of the column of
non-sulfur anaerobic and H2S-oxidizers (purple sulfur bacteria).

Inwinograsky column-2, there arent any
notable changes on the color of the water. This might lead as to the conclusion
that there is less microbe growth (at least, not so much anaerobic). Comparing
to the first column, there is more gas exchange with the environment. Thus, the
chances for the aerobic growth are proliferated in the seconad column. As much
reference to the mud, black spots are being leakking out. So we infered that
there is a considerable microorganism growth inside the mud. These blackspots
are deposits of desomposed matter that are created by anaerobic or anaerobic
bacteria or archae.

We should bepatient! Maybe it needs some time for graduation of microorganisms to be
observable in both columns. We are looking forward to understanding how the
world of microorganisms works.